WO2004073346A1 - 受信装置および受信方法 - Google Patents

受信装置および受信方法 Download PDF

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Publication number
WO2004073346A1
WO2004073346A1 PCT/JP2003/009625 JP0309625W WO2004073346A1 WO 2004073346 A1 WO2004073346 A1 WO 2004073346A1 JP 0309625 W JP0309625 W JP 0309625W WO 2004073346 A1 WO2004073346 A1 WO 2004073346A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
channel
receiving
control information
unit
Prior art date
Application number
PCT/JP2003/009625
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Toshiaki Hiraki
Hidetoshi Suzuki
Original Assignee
Matsushita Electric Industrial Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to US10/510,350 priority Critical patent/US7200788B2/en
Priority to EP17157067.4A priority patent/EP3203773B1/en
Priority to JP2004568203A priority patent/JP3668492B2/ja
Priority to DE60324605T priority patent/DE60324605D1/de
Priority to EP20030815857 priority patent/EP1594328B1/en
Priority to AU2003252718A priority patent/AU2003252718B2/en
Priority to BRPI0318099A priority patent/BR0318099B1/pt
Priority to MXPA05008085A priority patent/MXPA05008085A/es
Publication of WO2004073346A1 publication Critical patent/WO2004073346A1/ja
Priority to US11/677,419 priority patent/US7493545B2/en
Priority to US12/350,599 priority patent/US8214713B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present invention relates to a receiving apparatus and a receiving method that use control information transmitted by a control channel for decoding of information data transmitted by a data channel.
  • FIG. 1 is a diagram showing a control channel transmitted from a transmitter.
  • the control channel is for transmitting control information including information necessary for reception, demodulation, decoding, etc. of the demodulation channel, that is, the number of multi-codes, modulation scheme, number of information bits, etc. It is a channel to be used.
  • each control device receives multiple control channels received since the control channel also encodes and transmits the information indicating which control device each control channel is addressed to. Control channels addressed to each receiver can be detected from among
  • FIG. 2 is a block diagram showing the configuration of a conventional receiving apparatus.
  • the conventional reception receiver 8 shown in this figure includes an antenna 9, a duplexer 10, a receiver 11, a control channel receiver 12, a control channel demodulator 13, a control channel decoder 14, a determiner A control unit 16, a data channel reception unit 17, a data channel demodulation unit 18, a demodulation channel decoding unit 19, an error detection unit 20, and a transmission unit 21 are provided.
  • a plurality of (or one) control channels transmitted from the transmitting apparatus are captured by the antenna 9, and then sequentially pass through the duplexer 10 and the receiving unit 11 to obtain the control channel receiving unit.
  • Control channel demodulator 13 Received at 12 The plurality of received control channels are input to the control channel demodulator 13 and demodulation is performed on them. Then, each demodulation result is input to the control channel decoding unit 14. Control channel The decoding unit 14 decodes the demodulation results of each of the plurality of control channels input from the control channel demodulation unit 13 and inputs the results to the determination unit 15.
  • the determination unit 15 determines whether or not there is one addressed to the receiving device 8 among the plurality of received control channels. This determination is performed using, for example, the error check bit or the likelihood information calculated by the control channel decoding unit 14. Then, as a result of this determination, if there is a control channel addressed to the receiving device 8, the determination unit 15 notifies the control unit 16 of that effect.
  • the control unit 16 receives the notification, the data channel reception unit 1 performs reception, demodulation and decoding of the demodulation channel using the control information indicated by the decoding result of the control channel addressed to the receiving device 8. 7. Control the data channel demodulation unit 18 and the demodulation channel decoding unit 19.
  • the error detection unit 20 detects an error in the decoded data input from the data channel decoding unit 19 and notifies the control unit 16 of the result.
  • the control unit 16 receives a notification from the error detection unit 20 that it has not detected an error, it outputs an ACK (ACKnowledgment) signal and transmits it from the transmission unit 21.
  • the control unit 16 When receiving a notification from the error detection unit 20 that an error has been detected, the control unit 16 outputs a negative acknowledgment (NACK) signal and transmits it from the transmission unit 21. Further, when the control unit 16 can not detect the control channel addressed to the receiving device 8 from the result of the determination in the determination unit 15, the control unit 16 does not receive the broadcast channel.
  • the present invention it is determined whether or not the received control channel is addressed to its own receiving apparatus, using an error check bit, likelihood information calculated at the time of control channel decoding, etc. . Then, when it is determined that the control channel is addressed to the own receiver, the control information transmitted by the control channel (the number of multi-codes required for reception of the delay channel, the modulation scheme, the number of information bits, etc.) If the control information does not fall within the range of the receiving capability of the receiving device, the data channel is received by comparing with the receiving capability of the receiving device (the number of multicodes that can be handled by the receiving device, modulation scheme, number of information bits, etc.). Do not do. On the other hand, if the control information is within the range of the reception capability, the receiver will receive the data channel.
  • FIG. 4 is a diagram showing a frame configuration of the HS-PD S CH used in the HSDPA system.
  • FIG. 5 is a diagram showing a frame configuration of HS-SCCH used in the HSDPA system.
  • Fig. 6 is a diagram showing the timing relationship between HS-SCCH and HS-PDSCH.
  • FIG. 3 is a diagram showing the configuration of a receiving apparatus according to an embodiment of the present invention.
  • the determining unit 107 determines that there is a control channel addressed to the receiving apparatus 100
  • the control channel determined to be addressed to the receiving apparatus 100 is true / false
  • a capability comparison unit 113 is provided to compare the control information transmitted by the control channel with the reception capability of the receiver 100.
  • control section 114 performs reception of the data channel and performs control of transmitting an ACK signal or NACK signal.
  • the control channel receiving unit 104 receives a plurality of (or one) control channels from the radio signal received by the receiving unit 103 through the duplexer 102, and inputs each of the received plurality of control channels to the control channel demodulation unit 105. .
  • the control channel demodulation unit 105 demodulates each of the plurality of control channels input from the control channel reception unit 104, and the control channel decoding unit 106 demodulates each demodulation result.
  • Enter in The control channel decoding unit 106 decodes the demodulation results of each of the plurality of control channels input from the control channel demodulation unit 105, and inputs each decoding result to the determination unit 1 07.
  • the determination unit 1 0 7 determines from the decoding results of each of the plurality of control channels whether or not there is one addressed to the receiving apparatus 1 among the plurality of received control channels, and determines the result of the determination 1 1 4 Notify If the determination unit 1 0 7 determines that there is a control channel addressed to the receiving device 1 0 0 and notifies the control unit 1 1 4 of the determination result, the control unit 1 1 4 sends a response to the control channel decoding unit 1 0 6 And instructs the capability comparison unit 1 1 3 to provide control information that is the decoding result of the control channel addressed to the receiver 100.
  • the control channel receiver 108 receives the control channel using control information obtained by decoding the control channel according to an instruction from the controller 114.
  • the data channel demodulation unit 1 0 9 demodulates the demodulation channel using the control information obtained by decoding the control channel.
  • De-union channel decoding unit 110 decodes the de-union channel using the control information obtained by decoding the control channel, and outputs the de-coding data.
  • the error detection unit 11 1 detects an error of the decoding data input from the de-tuned channel decoding unit 1 1 0 and notifies the control unit 1 1 4 of the result.
  • the control unit 114 receives the notification from the error detection unit 111 that the error is not detected, the control unit 114 outputs an ACK signal to the transmission unit 112.
  • the control unit 1 1 4 upon receiving a notification from the error detection unit 11 1 that the error has been detected, the control unit 1 1 4 outputs a NACK signal to the transmission unit 1 1 2.
  • the control unit 114 controls the presence or absence of transmission of the ACK signal and the NACK signal according to the comparison result in the capability comparison unit 113.
  • the transmitter unit 1 1 2 receives the ACK signal and N output from the control unit 1 1 4 Send an ACK signal.
  • control channel addressed to the receiving device 10 when the control channel addressed to the receiving device 10 is transmitted from the transmitting device, it is necessary to detect the one addressed to the receiving device 100 from the plurality of received control channels. If a control channel addressed to receiver 100 is not transmitted from the transmitter, it is necessary not to detect an incorrect control channel.
  • the determination unit 107 determines whether or not the control channel addressed to the receiver 100 is addressed to a plurality of control channels by an error check bit.
  • the determination unit 1 0 7 is a Viterbi decoder, an evening decoder, or the like used for decoding in the control channel decoding unit 1 0 6. The output likelihood is used to determine whether the control channel is addressed to the receiver 100 for a plurality of control channels. Then, the determination unit 1 0 7 inputs the determination result to the control unit 1 1 4.
  • control unit 114 determines from the determination result that there is no control channel addressed to the receiver 100, the control unit 114 discards the data channel without performing reception on the channel. Instruct the receiver unit 1 0 8
  • the receiving device 100 is controlled by the control information transmitted on the control channel determined to be addressed to the receiving device 100 ( The number of multi-codes, modulation scheme, and number of information bits required to receive a data channel) and the reception capability of the receiver 100 (number of multi-codes that can be handled by the receiver, modulation scheme, and number of information bits) make a comparison. That is, control unit 1 1 4 The control information which is the decoding result of the control channel determined to be addressed to the receiving device 100 is compared with the receiving capability of the receiving device 100 in the capability comparing unit 11.
  • the control unit 1 1 4 determines that the control information transmitted on the control channel determined to be addressed to the reception unit 1 0 0 is the reception capability of the reception unit 1 0 0. If it is within the range, it instructs the reception channel receiver 108 to receive the reception channel. On the other hand, when the control information transmitted on the control channel determined to be addressed to the receiving device 100 is out of the range of the receiving capability of the receiving device 100, the control unit 114 receives the data channel receiving unit 1. 0 Instructs 8 to not receive the evening channel.
  • the reception capability of the receiver 10 is a multicode number of 5 codes
  • the control information transmitted on the control channel determined to be addressed to the receiver 100 is a multicode number of 5
  • the number of multicodes indicated by the control information is equal to or less than the number of multicodes that can be received by the receiver 100, and the control information is within the range of the reception capability of the receiver 100.
  • 1 1 4 instructs the data receiving section 1 0 8 to receive the data channel.
  • the control information transmitted on the control channel determined to be addressed to the receiver 100 is the multicode number 10 code.
  • the controller since the number of multicodes indicated by the control information exceeds the number of multicodes that can be received by the receiver 100 and the control information is out of the range of the reception capability of the receiver 100, the controller Although 1 1 4 is determined that the control channel is a control channel addressed to the receiver 100 by the determination unit 1 0 7, it is assumed that the determined control channel is determined to be erroneous. , Do not allow data channel receiver 108 to receive an evening channel. At this time, there is a possibility that another receiving device may transmit a signal to the transmitting device at the timing when the receiving device 100 transmits an ACK signal or a NACK signal.
  • the receiving device 10 0 may transmit an ACK signal or a NACK signal. Do not send In other words, if the control information is outside the range of the reception capability of the receiver 100
  • the control unit 114 instructs the transmission unit 112 not to transmit an ACK signal or a NACK signal. According to this instruction, when the control information is out of the range of the reception capability of the reception apparatus 100, the transmission unit 112 does not transmit the A CK signal or the NACK signal. In this way, it is possible to suppress the interference given to the signals transmitted by other receiving devices.
  • the receiving apparatus 100 is applied to a High Speed Downlink Packet Access (HSDPA) system based on the specifications of the 3rd Generation Partnership Project (3GPP), which is a standardization project for mobile communication. The case will be described.
  • HSDPA High Speed Downlink Packet Access
  • FIG. 4 is a diagram showing a frame configuration of a High Speed-Physical Downlink Shared Channel (HS-PDSCH) used in the HSDPA system. Also, Figure 5 shows the HS-S CCH used in the HSDP A system.
  • HS-PDSCH High Speed-Physical Downlink Shared Channel
  • the physical channel HS—PD S CH consists of a subframe consisting of 3 slots (slot # 0 to slot # 2) and is a data channel that contains information bits. is there. Also, as shown in Figure 5, the physical channel HS—SCCH consists of a sub-frame consisting of a total of three slots, slot # 0, which is the first part, and slots # 1 and # 2, which is the second part. Control channel.
  • the first part contains the channel code number used for HS-PD S CH, the number of channel code and the information indicating the modulation method, and the second part contains the transport block.
  • the information contained in the first part and the second part of the HS-SCCH is control information necessary for reception processing of the HS-PDCH.
  • the subframe length of HS-PDSCH and the subframe length of HS-SCCH are both 2 ms.
  • Figure 6 is a diagram showing the HS-SCCH and HS-PDSCH setting timings. It is. The beginning of the HS-SCCH subframe is located two slots before the beginning of the corresponding HS-PDCCH subframe.
  • the receiver 100 shown in FIG. 3 selects from among the plurality of received HS-SCCHs. Detects HS-SCCH addressed to the receiver 100. Then, the reception device 100 performs reception processing of the HS-PDS CH using the control information transmitted by the detected HS-SCCH.
  • the decoding result of the first part is used to decode the HS-PD SCH before the decoding of the second part is completed. It is also possible to perform reception processing.
  • the plurality of HS-SCCHs transmitted from the transmitter are received by the control channel receiver 104 respectively.
  • the received plurality of HS-SCCHs are respectively demodulated by the control channel demodulation unit 105 and then decoded by the control channel decoding unit 106. Then, a plurality of HS-SCCH decoding results are input to the determination unit 107.
  • the HS-SCCH addressed to the receiving device 100 when the HS-SCCH addressed to the receiving device 100 is transmitted from the transmitting device, it is necessary to detect the one addressed to the receiving device 100 from the plurality of received HS-SCCHs. If the HS_SCCH addressed to the receiver 100 is not transmitted from the transmitter, it is necessary not to detect an incorrect HS-SCCH.
  • the determination unit 107 uses a plurality of output likelihoods of the Viterbi decoder used for decoding in the control channel decoding unit 106 and the like. It is determined whether or not the control channel addressed to the receiving apparatus 100 is applied to the HS-SCCH of (1), and the determination result is input to the control unit 114.
  • the control unit 114 Based on the determination result, the control unit 114 has no HS-SCCH addressed to the receiving device 100. Knowing that, it instructs the data channel reception unit 108 to discard the HS-PDSCH without receiving the HS-PDSCH. On the other hand, when it is known from the determination result that there is an HS-SCCH addressed to the receiving device 100, the receiving device 100 receives the control information and the information transmitted on the HS-SCCH determined to be addressed to the receiving device 100. A comparison is made with the reception capability of the device 100. That is, the control unit 114 causes the capability comparison unit 113 to compare the control information that is the decoding result of the HS-SCCH determined to be addressed to the receiving device 100 with the receiving capability of the receiving device 100.
  • the capability comparison unit 113 is included in the first part of the HS-SCCH according to an instruction from the control unit 114, and is used to receive the HS-PD SCH corresponding to the HS-SCCH determined to be addressed to the receiving apparatus 100.
  • the channel code number, channel code number and modulation scheme are compared with the receiving capability of the receiver 100. If the control information transmitted on the HS-SCCH determined to be addressed to the receiving device 100 from the comparison result output from the capability comparing unit 113 is within the range of the receiving capability of the receiving device 100, the control unit 114 It instructs the channel receiver 108 to receive HS-PDS CH.
  • control section 114 transmits the control information to the broadcast channel receiving section 108. — Instructs PD S CH not to be received.
  • the control information transmitted by the HS-SCCH determined that the receiving capability of the receiving device 100 is 10 codes with the multicode number of 113 _ 03 11 and is addressed to the receiving device 100 Suppose that is 5 codes in multicode number.
  • the number of multicodes indicated by the control information is less than or equal to the number of multicodes that can be received by the receiving device 100, and the control information is within the range of the receiving capability of the receiving device 100. It instructs the reception unit 108 to receive HS-PDSCH.
  • control 0962S the control information transmitted on the control channel determined to be addressed to the receiving device 100 is 15 codes in multi-code number.
  • control 0962S the control information transmitted on the control channel determined to be addressed to the receiving device 100 is 15 codes in multi-code number.
  • control information transmitted on the control channel determined to be addressed to the receiver 100 indicates 16 QAM as a modulation scheme.
  • the modulation scheme indicated by the control information does not match the modulation scheme that can be received by the receiving device 100, and the control information is out of the range of the receiving capability of the receiving device 100.
  • the determination unit 107 determines that the SCCH is the HS-SCCH addressed to the receiving apparatus 100, the determined HS-SCCH is erroneously determined as the data channel receiver unit. Do not allow 108 to receive HS-PD S CH.
  • the control information transmitted on the control channel determined to be addressed to the own apparatus among the plurality of control channels is compared with the receiving capability of the own apparatus.
  • the control channel addressed to the own apparatus can be accurately detected, and it is possible to prevent the reception, demodulation and decoding of the data channel using the wrong control information. Also, by not transmitting the ACK signal and NACK signal at this time, the AK Interference to transmission can be reduced.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
PCT/JP2003/009625 2003-02-12 2003-07-30 受信装置および受信方法 WO2004073346A1 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US10/510,350 US7200788B2 (en) 2003-02-12 2003-07-30 Radio reception system that inhibits transmission of acknowledgment or negative acknowledgment signal for a data channel when control information of a control channel exceeds a reception capability of a receiver
EP17157067.4A EP3203773B1 (en) 2003-02-12 2003-07-30 System and method
JP2004568203A JP3668492B2 (ja) 2003-02-12 2003-07-30 受信装置
DE60324605T DE60324605D1 (de) 2003-02-12 2003-07-30 Mobilstationsvorrichtung und verfahren zur funkkommunikation
EP20030815857 EP1594328B1 (en) 2003-02-12 2003-07-30 Radio communication mobile station apparatus and radio communication method
AU2003252718A AU2003252718B2 (en) 2003-02-12 2003-07-30 Reception apparatus and reception method
BRPI0318099A BR0318099B1 (pt) 2003-02-12 2003-07-30 Reception apparatus and receipt method
MXPA05008085A MXPA05008085A (es) 2003-02-12 2003-07-30 Aparato de recepcion y metodo de recepcion.
US11/677,419 US7493545B2 (en) 2003-02-12 2007-02-21 Reception system that inhibits transmission of acknowledgment or negative acknowledgment signal for a data channel when control information of a control channel exceeds a reception capability of a receiver
US12/350,599 US8214713B2 (en) 2003-02-12 2009-01-08 Wireless communication system and wireless communication method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003034201 2003-02-12
JP2003-034201 2003-02-12

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10510350 A-371-Of-International 2003-07-30
US11/677,419 Continuation US7493545B2 (en) 2003-02-12 2007-02-21 Reception system that inhibits transmission of acknowledgment or negative acknowledgment signal for a data channel when control information of a control channel exceeds a reception capability of a receiver

Publications (1)

Publication Number Publication Date
WO2004073346A1 true WO2004073346A1 (ja) 2004-08-26

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ID=32866260

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/009625 WO2004073346A1 (ja) 2003-02-12 2003-07-30 受信装置および受信方法

Country Status (12)

Country Link
US (3) US7200788B2 (ru)
EP (3) EP3203773B1 (ru)
JP (2) JP3668492B2 (ru)
KR (1) KR100722066B1 (ru)
CN (1) CN100496140C (ru)
AT (1) ATE413783T1 (ru)
AU (1) AU2003252718B2 (ru)
BR (1) BR0318099B1 (ru)
DE (1) DE60324605D1 (ru)
MX (1) MXPA05008085A (ru)
RU (1) RU2307464C2 (ru)
WO (1) WO2004073346A1 (ru)

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